SCIM III by interview should be used with caution for clinical purposes, probably by raters whose scoring deviation, in relation to observation scores, is known 1).
1)
Itzkovich M, Shefler H, Front L, Gur-Pollack R, Elkayam K, Bluvshtein V,
Gelernter I, Catz A. SCIM III (Spinal Cord Independence Measure version III):
reliability of assessment by interview and comparison with assessment by
observation. Spinal Cord. 2018 Jan;56(1):46-51. doi: 10.1038/sc.2017.97. Epub
2017 Sep 12. PubMed PMID: 28895576.